Hangar 9 Taylorcraft 20cc ARF Assembly Manual page 24

Step 13
Replace the clunk in the end of the fuel line.
Step 14
Insert the stopper assembly in the fuel tank, making
sure that the vent line is oriented correctly. It should
point towards the narrow side of the tank closest to
the stopper.
24
Step 15
Insert the fuel tank under the instrument panel with
the stopper towards the top of the tank.
Step 16
Slide the tank forward until the stopper cap engages
in the hole in the firewall.
Step 17
Use two #64 rubber bands to secure the tank in the
fuselage. Hook the rubber bands around the tabs in
the bulkhead on the left and right of the tank.
Step 18
Cut two lengths of fuel tubing, one 5-inches long, the
other 8-inches. Connect the 5-inch piece to the tubing
on the left side of the fuel tank stopper (feed line).
Connect the 8-inch piece to the right side (vent line).
Secure both fuel lines with small cable ties.
Hangar 9 Taylorcraft 20cc Assembly Manual